World Wide Web: Looking for a specific song? Try the Beats’ customized Google search engine: Tons and tons of free song packs:

Beats Portable: Personal hand-picked songs ready for Beats:

osu!: Ranked Beatmap listing from the official osu! website.

NOTE: As of the moment, you cannot directly install these from the browser. You must download the .osz files to your PC, copy them over to your phone then open up the .osz file with Beats’ “SELECT SONG” file browser.